Document Detail

The omitted stimulus potential is related to the cognitive component of reaction time.
MedLine Citation:
PMID:  18041614     Owner:  NLM     Status:  MEDLINE    
Omitted stimulus potentials (OSP) are waves that are considered to involve moderately high-level processing, but their relation to the cognitive, premotor component of reaction time (PMRT) to an omitted stimulus has not been examined. This relationship was tested in 20 participants who responded to an auditory omitted stimulus occurring in fast (7 Hz) and slow (.5 Hz) frequency trains while electrophysiological recordings provided measures of the OSP and EMG. In accord with the hypothesis, the time between the onset of the OSP and the EMG was strongly correlated to PMRT under both stimulus frequency conditions.
Oscar H Hernández; Muriel Vogel-Sprott
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The International journal of neuroscience     Volume:  118     ISSN:  0020-7454     ISO Abbreviation:  Int. J. Neurosci.     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2007-11-28     Completed Date:  2008-03-25     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0270707     Medline TA:  Int J Neurosci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  173-83     Citation Subset:  IM    
Centro de Investigaciones en Enfermedades Tropicales y Carrera de Psicología, Facultad de Humanidades, Universidad Autónoma de Campeche, México.
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MeSH Terms
Acoustic Stimulation
Auditory Perception / physiology*
Cognition / physiology*
Contingent Negative Variation / physiology
Discrimination (Psychology) / physiology*
Evoked Potentials, Motor / physiology*
Hispanic Americans
Reaction Time / physiology*

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